Risks of induction of labour in uncomplicated term pregnancies
Why this work is in the frame
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Bibliographic record
Abstract
Our objective was to evaluate the risks of maternal and perinatal morbidity associated with induction of labour in uncomplicated term pregnancies. We conducted a retrospective cohort study including 7,430 women, not referred from another institution, with a single baby in vertex presentation, and delivering between 38 and 40 weeks of pregnancy. Among these women, 3,546 were excluded for prelabour pregnancy complications. Relative risks (RR), adjusted for parity, were computed to compare 3,353 women who went into labour spontaneously with 531 women whose labour was induced. Induction of labour was found to be associated with a higher risk of caesarean section [RR = 2.4, 95% CI 1.8, 3.4]. Use of non-epidural [RR = 1.5, 95% CI 1.2, 1.8] and of epidural analgesia [RR = 1.4, 95% CI 1.1, 1.7] was more frequent after labour induction. Resuscitation [RR = 1.2, 95% CI 1.0, 1.5], admission to the intensive care unit [RR = 1.6, 95% CI 1.0, 2.4] and phototherapy [RR = 1.3, 95% CI 1.0, 1.6] were more frequent after induction of labour. Results were similar when controlling simultaneously for parity, maternal age, gestational age, year of delivery, birthweight and the physician in charge of delivery in a logistic regression analysis. The results of this study suggests that induction of labour is associated with a higher risk of caesarean section and of some perinatal adverse outcomes. Induction of labour should be reserved for cases where maternal and perinatal benefits outweigh the risk of these complications.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it